Fast, free shipping*Our strong and level Foundation serves the same function as a box spring, but offers better support and height for your mattress. Paired with a bed frame, will help your mattress perform at its peak for a decade or more.Enhance your sleep setup with essential features to help you find the perfect position for sleeping or relaxing.Customize your sleep setup with pressure-relieving positions, a comforting massage feature, and more.Set yourself up for your best rest with luxurious features for ultimate comfort.